Analog Devices EVAL-LT8376-AZ, Демонстрационное руководство, Страница: 6 / 10

6
DEMO MANUAL EVAL-LT8376-AZ
Rev. 0
Figure 6. EVAL-LT8376-AZ Conducted Emissions (Voltage Method): 48V
IN
, 36V
LED
, 1.5A (SSFM ON)
TEST RESULTS
Figure 7. EVAL-LT8376-AZ Conducted Emissions (Current Method): 48V
IN
, 36V
LED
, 1.5A (SSFM ON)
Figure 8. EVAL-LT8376-AZ Radiated Emissions: 48V
IN
, 36V
LED
, 1.5A (SSFM ON)
CLASS 5 PEAK LIMIT
EVAL-LT8376-AZ
AMBIENT
FREQUENCY (MHz)
0.1 1 10 108
–20
–10
0
10
20
30
40
50
60
70
80
PEAK CE (dBµ
V)
EVAL-8376 F06a
(a) CISPR25 Peak Conducted EMI – Voltage Method
CLASS 5 AVERAGE LIMIT
EVAL-LT8376-AZ
AMBIENT
FREQUENCY (MHz)
0.1 1 10 108
–20
–10
0
10
20
30
40
50
60
70
80
AVERAGE CE (dBµ
V)
EVAL-8376 F06b
(b) CISPR25 Average Conducted EMI – Voltage Method
CLASS 5 PEAK LIMIT
EVAL-LT8376-AZ
AMBIENT
FREQUENCY (MHz)
0.1 1 10 100 300
–60
–50
–40
–30
–20
–10
0
10
20
30
40
50
60
PEAK CE (dBµA)
EVAL-8376 F07a
(a) CISPR25 Peak Conducted EMI – Current Method
CLASS 5 AVERAGE LIMIT
EVAL-LT8376-AZ
AMBIENT
FREQUENCY (MHz)
0.1 1 10 100 300
–60
–50
–40
–30
–20
–10
0
10
20
30
40
50
60
AVERAGE CE (dBµA)
EVAL-8376 F07b
(b) CISPR25 Average Conducted EMI – Current Method
CLASS 5 PEAK LIMIT
EVAL-LT8376-AZ
AMBIENT
FREQUENCY (MHz)
0.1 1 10 100 1000
–20
–10
0
10
20
30
40
50
60
PEAK RE (dBµ
V/m)
EVAL-8376 F08a
(a) CISPR25 Peak Radiated EMI
CLASS 5 AVERAGE LIMIT
EVAL-LT8376-AZ
AMBIENT
FREQUENCY (MHz)
0.1 1 10 100 1000
–20
–10
0
10
20
30
40
50
60
AVERAGE RE (dBµ
V/m)
EVAL-8376 F08b
(b) CISPR25 Average Radiated EMI